3、=-0.872,P<0.01) 和诱导痰巨噬细胞百分比 (r=-0.820,P<0.01) 呈负相关 ;与诱导痰细胞总数、中性粒细胞百分比及诱导痰嗜酸细胞百分比呈正相关 ( 分别为 0.857、0.816 和 0.825,P<0.01)。结论:血浆一氧化氮水平升高,与支气管哮喘发生、发展相关,可能参与哮喘的发病,内源性一氧化氮作为一种无创性指标监测疾病的严重程度和活动度具有一定意义。 【关键词】 一氧化氮 ; 支气管哮喘 ; 诱导痰 Study on the Effect of the Pla
4、sma Level of Nitric Oxide on Patients with Acute Asthma/CHEN Jia-xin,LU Jia-zheng,LI Hui-zhen,etal.//Medical Innovation of China,2012,9(9):6-8 【Abstract】 Objective :To investigate the effect of nitric oxide(NO) on patients with asthma. Methods :Level
5、s of serum NO(nitrate reductasemethod),lung function,and cell differential count in induced sputum were studied in 40 patients with acute exacerbation of asthma,30 patients withstable asthma and 15 health subjects. Results :The serum NO level was (43.
6、28±4.06) μmol/L in control group(15 cases),(56.30±3.07) μmol/L inpatients with stable asthma(30 cases),(65.57±2.38) μmol/L in patients with mild of acute exacerbation asthma(10 cases),(71.73±6.08) μmol/L in thatwith moderate of acute exacerbation asth
7、ma(12 cases),and (87.36±7.15) μmol/L in that with severe of acute exacerbation asthma(18 cases). Status of thesubjects(in health,stable asthma,and exacerbation of asthma) was positively correlated with NO in serum(r=0.786,P<0.01). NO in serum with sev
8、ere ofacute exacerbation asthma was negatively correlated with FEV1.0%(r=-0.872,P<0.01) and the percentage of sputum macrophages (r=-0.820,P<0.01).While it was positively correlated with total count of sputum cells(r=0.857,P<0.01),the percenta